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CVE-2020-1787

Quick assessment

Affected
Huawei HUAWEI Mate 20
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Huawei Mate 20是中国华为（Huawei）公司的一款智能手机。 Huawei Mate 20 9.1.0.139(C00E133R3P1)之前的版本中存在授权问题漏洞，该漏洞源于系统有时会出现逻辑错误。攻击者可借助访客权限利用该漏洞在不需要解锁机主锁屏的情况下，可以在一个极短的时间内访问到机主的用户界面。

AI Predicted 9.8 Difficulty: Easy EPSS 0.26% · P16

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2020-1787

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
HUAWEI Mate 20 smartphones versions earlier than 9.1.0.139(C00E133R3P1) have an improper authentication vulnerability. The system has a logic error under certain scenario, successful exploit could allow the attacker who gains the privilege of guest user to access to the host user's desktop in an instant, without unlocking the screen lock of the host user.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Huawei Mate 20 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Huawei Mate 20是中国华为（Huawei）公司的一款智能手机。 Huawei Mate 20 9.1.0.139(C00E133R3P1)之前的版本中存在授权问题漏洞，该漏洞源于系统有时会出现逻辑错误。攻击者可借助访客权限利用该漏洞在不需要解锁机主锁屏的情况下，可以在一个极短的时间内访问到机主的用户界面。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Huawei HUAWEI Mate 20 Versions earlier than 9.1.0.139(C00E133R3P1) -

II. Public POCs for CVE-2020-1787

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III. Intelligence Information for CVE-2020-1787

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Same Patch Batch · Huawei · 2020-01-09 · 3 CVEs total

CVE-2020-1826 Huawei Honor Magic 2 信息泄露漏洞
CVE-2020-1786 Huawei Mate 20 Pro 授权问题漏洞

IV. Related Vulnerabilities

Same product: HUAWEI Mate 20
Same vendor: Huawei

V. Comments for CVE-2020-1787

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